39839940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{4517}}^1$

素因数の和:4546

約数の個数: 108

約数和(自身を含む): 140609196

約数和(自身を除く): 100769256

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 4517, 8820, 9034, 13551, 18068, 22585, 27102, 31619, 40653, 45170, 54204, 63238, 67755, 81306, 90340, 94857, 126476, 135510, 158095, 162612, 189714, 203265, 221333, 271020, 284571, 316190, 379428, 406530, 442666, 474285, 569142, 632380, 663999, 813060, 885332, 948570, 1106665, 1138284, 1327998, 1422855, 1897140, 1991997, 2213330, 2655996, 2845710, 3319995, 3983994, 4426660, 5691420, 6639990, 7967988, 9959985, 13279980, 19919970, 39839940]

約数ペア:

[(1, 39839940), (2, 19919970), (3, 13279980), (4, 9959985), (5, 7967988), (6, 6639990), (7, 5691420), (9, 4426660), (10, 3983994), (12, 3319995), (14, 2845710), (15, 2655996), (18, 2213330), (20, 1991997), (21, 1897140), (28, 1422855), (30, 1327998), (35, 1138284), (36, 1106665), (42, 948570), (45, 885332), (49, 813060), (60, 663999), (63, 632380), (70, 569142), (84, 474285), (90, 442666), (98, 406530), (105, 379428), (126, 316190), (140, 284571), (147, 271020), (180, 221333), (196, 203265), (210, 189714), (245, 162612), (252, 158095), (294, 135510), (315, 126476), (420, 94857), (441, 90340), (490, 81306), (588, 67755), (630, 63238), (735, 54204), (882, 45170), (980, 40653), (1260, 31619), (1470, 27102), (1764, 22585), (2205, 18068), (2940, 13551), (4410, 9034), (4517, 8820)]